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Family name Kainar (Kainar
, Каинар
, Кайнарь
) , globally, is a rare cognomen. The family name Kainar is characteristic of Bosnia and Herzegovina, where it is quite a rare surname, Slovakia, where it is a rare surname, and Czechia. Measured by absolute frequency, it is commonest in Bosnia and Herzegovina, Indonesia, and Germany. Likewise, Kainar is the forename as well as the last name.